NAME

	tput – measure read throughput

SYNOPSIS

	tput [ –pw ] [ –b buflen ]

DESCRIPTION

Tput continuously reads standard input writing throughput statistics to standard error. The throughput value is calculated and written once per second and automatically scaled to kilo–, mega– or gigabytes. By default, tput will print the average throughput since the stream has started. When passed the –w flag, tput will print the throughput over the last 1 second window. When the –p flag is specified, tput will write the data read to standard output (the default is to discard the data). A read blocksize (default is the iounit(2) of file–descriptor) in bytes can be given with the –b buflen option.

EXAMPLE

	tput </dev/zero

SOURCE

	/sys/src/cmd/tput.c

SEE ALSO

	iostats(4), iounit(2)

DIAGNOSTICS

	Tput sets error status on read error.

HISTORY

	Tput first appeared in 9front (May, 2011).